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High-resolution surface-wave tomography from ambient seismic noise.

Abstract : Cross-correlation of 1 month of ambient seismic noise recorded at USArray stations in California yields hundreds of short-period surface-wave group-speed measurements on interstation paths. We used these measurements to construct tomographic images of the principal geological units of California, with low-speed anomalies corresponding to the main sedimentary basins and high-speed anomalies corresponding to the igneous cores of the major mountain ranges. This method can improve the resolution and fidelity of crustal images obtained from surface-wave analyses.
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https://hal.archives-ouvertes.fr/hal-00107913
Contributor : Pascale Talour <>
Submitted on : Thursday, October 19, 2006 - 10:23:33 AM
Last modification on : Thursday, November 19, 2020 - 3:54:27 PM

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N.M. Shapiro, Michel Campillo, L. Stehly, M.H. Ritwoller. High-resolution surface-wave tomography from ambient seismic noise.. Science, American Association for the Advancement of Science, 2005, 307 (5715), pp.1615-1618. ⟨10.1126/science.1108339⟩. ⟨hal-00107913⟩

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